Home / 79,509.26-109,657.04-53,973.64

Finding the Fourth Proportional to 79,509.26, 109,657.04 and 53,973.64

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Solution

The fourth proportional to 79,509.26, 109,657.04 and 53,973.64 is: 74,439.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,509.26 : 109,657.04 = 53,973.64 : x
  2. Step 2: Convert to fraction form
    79,509.26/109,657.04 = 53,973.64/x
  3. Step 3: Cross multiply
    79,509.26x = 109,657.04 × 53,973.64
  4. Step 4: Simplify right side
    79,509.26x = 5,918,589,600.43
  5. Step 5: Solve for x
    x = 5,918,589,600.43/79,509.26
  6. Step 6: Final answer
    x = 74,439.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.